Answer: 20%
Step-by-step explanation:
Profit of $4,000 is divided by the cost price of $20,000:
$4,000/$20,000 = 0.2 or 20%
Answer:
A = 60° , B = 30°
Step-by-step explanation:



Answer:
A Fever is an Inmune system response.
Step-by-step explanation: This is actually an immune system response. A rise in temperature can kill some microbes. Fever also triggers the body's repair process.
If you solve it, you get 2=9, which is incorrect. That means there's no solution.